Home / 1,254,428.57-1,731,118.48-681,470.11

Finding the Fourth Proportional to 1,254,428.57, 1,731,118.48 and 681,470.11

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Solution

The fourth proportional to 1,254,428.57, 1,731,118.48 and 681,470.11 is: 940,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,428.57 : 1,731,118.48 = 681,470.11 : x
  2. Step 2: Convert to fraction form
    1,254,428.57/1,731,118.48 = 681,470.11/x
  3. Step 3: Cross multiply
    1,254,428.57x = 1,731,118.48 × 681,470.11
  4. Step 4: Simplify right side
    1,254,428.57x = 1,179,705,505,282.13
  5. Step 5: Solve for x
    x = 1,179,705,505,282.13/1,254,428.57
  6. Step 6: Final answer
    x = 940,432.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.